波段 的英文怎麼說

中文拼音 [duàn]
波段 英文
[電學] wave band; wave range; band; range; frequency range; frequency band
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : Ⅰ量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
  1. Remote sensing in ultraviolet and vacuum ultraviolet can help us recognize many spatial phenomenon, such as dayside and nightside airglow, aurora. so it ' s very important

    因此,紫外-真空紫外波段的空間遙感探測對認識太陽和地球大氣以及宇宙空間具有重要的應用價值。
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  3. Band switching diode

    波段轉換開關二極體
  4. Band switching circuit

    波段轉換電路
  5. We have made benefic trials on the research of optical limiting materials with abroad protective wavelength, high optical density and high transmission

    對于多波段,高光密度,高透過率的光限幅材料的研製,本論文做出了有益的嘗試。
  6. Also, they were favor for further explanations and canalization. the results of solar heating rate and infrared cooling rate and the model output were displayed as data forms and curves in the paper

    文中將加熱率和冷卻率的計算結果以及與之相關的模式計算結果(可見光波段的大氣輻射收支和紅外波段的大氣輻射收支)以數據表和曲線圖的形式列出。
  7. The exposure and processing of the first record is optimal for imaging of both conifers and hardwoods.

    對于針葉樹類和潤葉樹類的成像來說,第一波段的曝光和加工都是效果最優的。
  8. The free-bound continuum is strongest in the optical regime, whereas the free-free continuum dominates in the radio and infrared regimes.

    自由-束縛連續輻射在光學波段最強,自由-自由連續輻射主要在射電和紅外波段
  9. On the basis of remote sensing technique ' s good characteristic with large - area, multi - time, multi - photograph variety, manifold abundant spectral information and high ground resolution, the fault tectonics frame, river geomorphy ( such as terrace, floodplain, shoal, etc ) and suspended load, etc. were explained after analyzed the fault tectonics, river geomorphy, characteristic in the tm image by gray bar statistics, primary component analyses, tm741 image integration, line convolve enhancement and model recognition etc. especially 9 piece of fault tectonics were explained in this thesis, in succession, the impacts of the factors severally were analyzed

    遙感技術具有大范圍、多時相、多片種、多層次、含有豐富的光譜信息及具有較高的地面解析度的特點。本文利用該技術,運用灰階統計特徵分析和主成分分析、 tm741多波段融合、線性卷積增強、模型提取等一系列遙感解譯分析方法,分析了斷裂構造、河流地貌(階地、漫灘、沙洲)及懸浮物等在tm遙感圖象上的影像特徵,解譯出了安徽南部斷裂構造格架、河流地貌和懸浮物的分佈,並新解譯出了9條近東西向的斷裂。
  10. This kind of switch has small cubage and high dependability. it is easy to integration, and has wide foreground in millimeter - wave band

    這種開關體積小、可靠性高且易於集成,在毫米波段有廣闊的應用前景。
  11. Swing trading can be a great way to profit from market upswings and downswings, but as i ' ve always said, it ' s not easy

    波段交易*是在市場上升/下降波段中獲取利益的最好的一種方法之一,但是如我常言,它不是那麼容易。
  12. By alan farley last updated : jan. 2, 2002 swing trading can be a great way to profit from market upswings and downswings, but as i ' ve always said, it ' s not easy

    波段交易*是在市場上升/下降波段中獲取利益的最好的一種方法之一,但是如我常言,它不是那麼容易。
  13. Design of the electron gun for s - band high power twt

    波段大功率行管電子槍設計
  14. Each color in this image represents a different region of the electromagnetic spectrum, from x - rays to infrared light

    圖中,每種顏色代表從紅外到x射線的不同電磁波段
  15. Erbium - doped fiber - amplifier - c - band erbium - doped fiber - amplifier

    摻鉺光纖放大器c波段摻鉺光纖放大器
  16. Implementation of an l - band fh signal generator

    波段跳頻信號源的設計與實現
  17. The above image is a false - color synthetic radar map of a northern region of titan taken during a flyby of the cloudy moon by the robotic cassini spacecraft last july

    這張照片的位置是在泰坦的北部,是去年七月,卡西尼號太空船飛過這顆雲霧滿布的土星衛星時,用雷達波段所拍攝的假色影像。
  18. If we again increase the frequency, we come into the range that is used for fm and tv.

    假如再提高頻率,那麼就進入調頻廣播和電視所用的波段
  19. However geological information is fully recorded in the remote sensing image, which made it possible for the choosing of this area as a dissection point to extract complex structural information of orogenic belt in west china. taking fully advantage of multi - band image richly bearing concealed geological information in combination with remote sensing analysis and structure analysis, to anatomy the supracrustal composition and structure of orogenic belt with the regional linear structures and their partitioned block and schistous geological masses as the macro - frame ( in corresponding to structure units and structure segments ) and with the rock masses, structure - rock assemblages, line - featured and belt - featured structures as well as penetrative and non - penetrative foliation ( primary stratum and trans position layering ) and folds as the texture and structure elements. the methods of how to distinguish granulite > ductile - shear zone, imposed fold, different deformed belts -

    因而,本文選擇這一地區作為我國西部地區從遙感圖像上提取造山帶復雜結構構造信息的解剖區,充分利用遙感圖像多波段反映物質屬性的特點和圖像處理提取隱含信息的優勢,採用遙感解析?構造解析相結合的研究方法,以區域線狀構造及由它劃分的塊狀、片狀地質體為宏觀骨架(對應于構造解析劃分的構造單元、構造均勻區) ,以地質體中的巖石巖體、構造巖石組合,線狀、帶狀構造,透入性、非透入性面狀(原始層理、新生面理)和褶皺等構造作為用於解析的結構構造要素,進行造山帶表殼組成和結構構造解析研究。
  20. Amateur frequency band

    無線電業餘波段
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